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The magnetic strips on a credit card can become demagnetized. What type of magnet are they?
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The magnetic strips on a credit card can become demagnetized. What type of magnet are they?

User PMan
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Answer:

they store information / data

User Andrew Harry
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A magnetic stripe card is a type of card capable of storing data by modifying the magnetism of tiny iron-based magnetic particles on a band of magnetic material on the card.
User Satya Prakash Dash
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